Abstract. We present the first private information retrieval (PIR) scheme which is both, deterministically correct and has poly-logarithmic communication complexity. Our PIR proto...
Abstract. The past few years have seen the emergence of a large number of proposals for electronic payments over open networks. Among these proposals is the Secure Electronic Trans...
Abstract. In the area of networks, a common method to enforce a security policy expressed in a high-level language is based on an ad-hoc and manual rewriting process [24]. We argue...
Policies which address security and privacy are pervasive parts of both technical and social systems, and technology to enable both organizations and individuals to create and man...
Maritza Johnson, John Karat, Clare-Marie Karat, Ke...
The state of the science of information security is astonishingly rich with solutions and tools to incrementally and selectively solve the hard problems. In contrast, the state of...